Wrench



FIG. 1 is a perspective view of a wrench showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a wrench, as shown and described. 